| Acronym | Definition |
|---|
| SKY | Sandusky (Amtrak station code; Sandusky, OH) |
| SKY | Sandusky, Ohio (Airport Code) |
| SKY | Skymark Airlines (Japan) |
| SKY | Spectral Karyotyping (laboratory technique to visualize chromosomes) |
| SKY | Skyline Corporation (stock symbol) |
| SKY | Suomen Kannabisyhdistys (Finnish Cannabis Association) |
| SKY | Suomen Kielitieteellinen Yhdistys (Linguistic Association of Finland) |
| SKY | Seoul National University, Korea University, and Yonsei University (South Korea) |
| SKY | Simplified Kundalini Yoga |
| SKY | Suomen Kosmetologien Yhdistyksen (Finnish: Finnish Cosmetic Association Academy; Helsinki, Finland) |